Author Archives: dkagan

Inverted Pulses and Energy

Posted on November 1, 2019 by dkagan

Today in class (11/1/19) I described a puzzle that I didn’t have a clear explanation for. The puzzle involved two pulses of the same shape but opposite elevation rushing toward each other from either end of a string. There comes … Continue reading →

Posted in Conservation Laws, General Interest, Oscillation, Waves | Leave a comment

Shock Absorption

Posted on October 19, 2019 by dkagan

Carlin forwarded this fun article about automotive dampers that use a magnetic fluid, allowing the car to adjust the damping strength of the shock absorption system. It’s pretty cool! https://www.nydailynews.com/autos/street-smarts/what-is-magnetic-ride-control-article-1.4042612

Posted in General Interest, Oscillation | Leave a comment

Hello Fall 2019 Class!

Posted on June 11, 2019 by dkagan

Welcome to Mostly Many-Body Physics for the fall of 2019! You can find basic course information by clicking on the “Welcome!” link on the upper-right or following the link below: https://phy115.sites.umassd.edu/welcome-to-classical-mechanics/

Posted in Intro Physics, Logistics | Leave a comment